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My actual connection is like: Arduino -> GPRS(http)-> my server(php script)-> firebase <-android plotting app

But it only allows to send some data once every 2 - 3 seconds (depending of ping to my server).

I need to send some data (18 bytes) but every 0.5 - 1 seconds

It is possible to send directly over tcp to firebase? And also i thinked about this schema:

Arduino(client) -> GPRS(tcp) -> my server(tcp socket) -> my database <- android plotter but I don't know how to go about it, what server software i need to redirect recieved tcp packages to mysql.

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  • you use AT commands on the unknown GSM module? Commented May 20, 2019 at 14:27
  • allows to send some data once every 2 - 3 seconds .... this indicates that there may be a bug in the PHP script Commented May 20, 2019 at 15:51
  • en.wikipedia.org/wiki/HTTP_persistent_connection Commented May 20, 2019 at 16:13
  • @jsotola Or it takes a couple of seconds to establish a new connection. Commented May 20, 2019 at 17:48
  • this is m590e module, and i use simple AT commands. It uses http GET connection and script read data from url parameters. I close connection every GET request. 'void loop() { value++; String dpa = "/test.php?arduino_data="+(String)value; strncpy(resource, dpa.c_str(), sizeof(resource)); //string to char http.get(resource); //starting get request Serial.println(err); http.stop();} //closing connection' using tinyGSM library, how to make from it persistent connection, removing "http.stop()" not working :C Commented May 21, 2019 at 19:16

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